December weather forecast
São Lourenço do Sul, Brazil

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Weather in December

The first month of the summer, December, is still a warm month in São Lourenço do Sul, Brazil, with temperature in the range of an average low of 19.5°C (67.1°F) and an average high of 26.5°C (79.7°F).

Temperature

With December's arrival, São Lourenço do Sul's weather records an average high-temperature of a still warm 26.5°C (79.7°F), marking little difference from November's 23.9°C (75°F). December nights observe an average temperature dip to an enjoyable 19.5°C (67.1°F).

Humidity

The months with the lowest humidity are February and December, with an average relative humidity of 74%.

Rainfall

In December, the rain falls for 12.4 days. Throughout December, 63mm (2.48") of precipitation is accumulated. In São Lourenço do Sul, during the entire year, the rain falls for 138.6 days and collects up to 783mm (30.83") of precipitation.

Daylight

December has the longest days of the year in São Lourenço do Sul, with an average of 14h and 12min of daylight.
On the first day of December in São Lourenço do Sul, Brazil, sunrise is at 05:15 and sunset at 19:18. On the last day of the month, sunrise is at 05:26 and sunset at 19:35 -03.

Sunshine

December has the most sunshine of the year in São Lourenço do Sul, Brazil, with an average of 8.5h of sunshine.

UV index

January through March, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 6 during December translates into the following directions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

What are the temperatures in São Lourenço do Sul in December?

December temperatures in São Lourenço do Sul, Brazil, vary between a high-temperature of 26.5°C (79.7°F) and a low-temperature of 19.5°C (67.1°F). In February, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 31°C (87.8°F).

What is the least humid month in São Lourenço do Sul?

The months with the lowest humidity in São Lourenço do Sul, Brazil, are February and December, with an average relative humidity of 74%.

What is the average humidity in December in São Lourenço do Sul?

In São Lourenço do Sul, the average relative humidity in December is 74%.

How many days does it rain in December in São Lourenço do Sul?

In São Lourenço do Sul, Brazil, during December, the rain falls for 12.4 days and regularly aggregates up to 63mm (2.48") of precipitation.

When are the longest days in São Lourenço do Sul?

With an average of 14h and 12min of daylight, December has the longest days of the year in São Lourenço do Sul.

What is the average length of the day in December in São Lourenço do Sul?

In São Lourenço do Sul, Brazil, the average day length in December is 14h and 9min.

When are sunrise and sunset in December in São Lourenço do Sul?

On the first day of December in São Lourenço do Sul, Brazil, sunrise is at 05:15 and sunset at 19:18. On the last day of the month, sunrise is at 05:26 and sunset at 19:35 -03.

What month has the most sunshine in São Lourenço do Sul?

With an average of 8.5h of sunshine, December has the most sunshine of the year.

How many hours of sunshine does São Lourenço do Sul have in December?

In December, the average sunshine duration in São Lourenço do Sul, Brazil, is 8.5h.

What is the month with the highest UV index in São Lourenço do Sul?

The months with the highest UV index are January through March, November and December, with an average maximum UV index of 6.

What is the UV index intensity in December in São Lourenço do Sul?

The average daily maximum UV index in December in São Lourenço do Sul, Brazil, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in December
São Lourenço do Sul, Brazil

Average temperature in December - São Lourenço do Sul, Brazil
  • Average high temperature in December: 26.5°C

The warmest month (with the highest average high temperature) is February (27.7°C).
The month with the lowest average high temperature is July (16.8°C).

  • Average low temperature in December: 19.5°C

The month with the highest average low temperature is February (21.6°C).
The coldest month (with the lowest average low temperature) is July (11.3°C).

Average pressure in December
São Lourenço do Sul, Brazil

Average pressure in December - São Lourenço do Sul, Brazil
  • Average pressure in December: 1011.5mbar

The month with the highest atmospheric pressure is July (1019.6mbar).
The month with the lowest atmospheric pressure is December (1011.5mbar).

Average wind speed in December
São Lourenço do Sul, Brazil

Average wind speed in December - São Lourenço do Sul, Brazil
  • Average wind speed in December: 18.3km/h

The windiest month (with the highest average wind speed) is October (19.5km/h).
The calmest month (with the lowest average wind speed) is May (16.4km/h).

Average humidity in December
São Lourenço do Sul, Brazil

Average humidity in December - São Lourenço do Sul, Brazil
  • Average humidity in December: 74%

The month with the highest relative humidity is September (80%).
The months with the lowest relative humidity are February and December (74%).

Average rainfall in December
São Lourenço do Sul, Brazil

Average rainfall in December - São Lourenço do Sul, Brazil
  • Average rainfall in December: 63mm

The wettest month (with the highest rainfall) is October (96mm).
The driest month (with the least rainfall) is February (44mm).

Average rainfall days in December
São Lourenço do Sul, Brazil

Average rainfall days in December - São Lourenço do Sul, Brazil
  • Average rainfall days in December: 12.4 days

The month with the highest number of rainy days is January (13.7 days).
The month with the least rainy days is June (9.3 days).

Average daylight in December /
Average sunshine in December
São Lourenço do Sul, Brazil

Average daylight in December / Average sunshine in December - São Lourenço do Sul, Brazil
  • Average daylight in December: 14h and 1min

The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).

  • Average sunshine in December: 8h and 3min

The month with the most sunshine is December (Average sunshine: 8h and 30min).
The month with the least sunshine is September (Average sunshine: 7h and 12min).

Average sunshine days in December
São Lourenço do Sul, Brazil

Average sunshine days in December - São Lourenço do Sul, Brazil
  • Average sunshine days in December: 17 days

The month with the most sunshine days is July (20.3 days).
The month with the least sunshine days is September (14.5 days).

Average UV index in December
São Lourenço do Sul, Brazil

Average UV index in December - São Lourenço do Sul, Brazil
  • Average UV index in December: 6

The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).

Average cloud cover in December
São Lourenço do Sul, Brazil

Average cloud cover in December - São Lourenço do Sul, Brazil
  • Average cloud cover in December: 32

The month with the most cloud cover is September (Cloud cover 40).
The months with the least cloud cover are April and December (Cloud cover 32).

Average visibility in December
São Lourenço do Sul, Brazil

Average visibility in December - São Lourenço do Sul, Brazil
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (10km).
The month with the lowest visibility is September (9km).

São Lourenço do Sul, Brazil

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